ASReml-based estimation of early genetic parameters in hybrid mutton sheep populations

文献类型： 外文期刊

第一作者： Wang, Haifeng

作者： Wang, Haifeng;Xu, Zhenfei;An, Xuejiao;Zhang, Rui;Hao, Yanyan;Zhu, Lina;Wang, Yinchun;Jin, Junni;Li, Chenglan;Li, Jianye;Yue, Yaojing;Jin, Shanning;Zhang, Jinxia;Geng, Zhiguang

作者机构：

关键词： Hybrid mutton sheep; ASReml; genetic parameter estimation; non-genetic factors; growth curves; correction formula

期刊名称：ANIMAL BIOTECHNOLOGY （ 影响因子：1.7； 五年影响因子：1.9 ）

ISSN： 1049-5398

年卷期： 2024 年 35 卷 1 期

页码：

收录情况： SCI

摘要： The aim of this study was to analyze the effects of non-genetic factors on the estimation of genetic parameters of early growth traits in hybrid mutton sheep using ASReml software, in order to provide theoretical basis for screening the optimal hybriding combinations and accelerating the breeding process of new breeds of specialized housed-feeding mutton sheep. We selected the wellgrown hybrid Southhu (Southdown x Hu sheep) and Dorhu (Dorset x Hu sheep) sheep as the research objects, constructed weight correction formulae for SH and DH sheep at 60 and 180 days; and used ASReml software to investigate the effects of non-genetic factors on the estimation of genetic parameters of early growth traits in hybrid sheep. The results showed that the birth month and birth type were found significant for all traits (p < 0.001); the heritability of maternal effects ranged from 0.0709 to 0.1859. It was found that both SH and DH sheep emerged the potential for rapid early growth and development, early growth traits are significantly affected by maternal genetic effects, thereby the maternal effect should be taken into consideration for the purpose of improving accuracy in parameter estimations and therefore increasing the success of breeding programs.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序